Algorithm 670: a Runge-Kutta-Nyström code. - R. W. Brankin; Ian Gladwell; J. R. Dormand; P. J. Prince; Wendy Louise Seward (ACM Trans. Math. Softw., 1989)

Reliable solution of special event location problems for ODEs. - Lawrence F. Shampine; Ian Gladwell; R. W. Brankin (ACM Trans. Math. Softw., 1991)

Algorithm 771: rksuite_90: Fortran 90 Software for Ordinary Differential Equation Initial-Value Problems. - R. W. Brankin; Ian Gladwell (ACM Trans. Math. Softw., 1997)